y-(-1)=8

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Solution for y-(-1)=8 equation: 


Simplifying
y + -1(-1) = 8

Multiply -1 * -1
y + 1 = 8

Reorder the terms:
1 + y = 8

Solving
1 + y = 8

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '-1' to each side of the equation.
1 + -1 + y = 8 + -1

Combine like terms: 1 + -1 = 0
0 + y = 8 + -1
y = 8 + -1

Combine like terms: 8 + -1 = 7
y = 7

Simplifying
y = 7

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